Exponents and Powers (IMO- Mathematics Olympiad Class 8): Questions 58 - 61 of 61

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Question number: 58

» Exponents and Powers

MCQ▾

Question

When simplified, (x1+y1) is equal to________.

Choices

Choice (4) Response

a.

1

b.

xy

c.

xyx+y

d.

x+yxy

Question number: 59

» Exponents and Powers

Match List-Ⅰ List-Ⅱ▾

Question

Match the following provided that a and b are any rational numbers different from zero andx, y are any rational numbers.
List-Ⅰ (Terms With Same Base Different Exponent) List-Ⅱ (Use Of Basic Exponent Rules)

(A)

axay

(i)

2ax

(B)

ax+ax

(ii)

ythrootofax

(C)

a(xy)

(iii)

axay

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)

a.

  • (iii)
  • (i)
  • (ii)

b.

  • (ii)
  • (i)
  • (iii)

c.

  • (i)
  • (iii)
  • (ii)

d.

  • (i)
  • (ii)
  • (iii)

Question number: 60

» Exponents and Powers

MCQ▾

Question

If 2x+3+2x3=129 , then x is equal to________.

Choices

Choice (4) Response

a.

5

b.

1

c.

3

d.

2

Question number: 61

» Exponents and Powers

Appeared in Year: 2012

MCQ▾

Question

If 3x1+3x+1=90 , then x is equal to________.

Choices

Choice (4) Response

a.

0

b.

1

c.

2

d.

3

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